MESON Chess Problem Database

Problem Display
PID: 180096 (3K2n1/3PBb2/nR1Pk3/3p1p2/3QN3/8/7r/2b5 w - - 0 1)

Parzuch, Stefan

6th HM., Wola Gulowska, 2011

3K2n1/3PBb2/nR1Pk3/3p1p2/3QN3/8/7r/2b5

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Sg5#
    • 1...Bb2
      • 2.Sg5#
    • 1...Ba3
      • 2.Sg5#
    • 1...Bg5
      • 2.Sxg5#
    • 1...Sb4
      • 2.Sc5#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sc7
      • 2.Sc5#
      • 2.dxc7#
    • 1...Sb8
      • 2.Sc5#
    • 1...Sf6
      • 2.Qxf6#
    • 1...Sh6
      • 2.Qf6#
    • 1...Sxe7
      • 2.Qf6#
      • 2.dxe7#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qxd5#
      • 1...Sxe7
        • 2.dxe7#
      • 1...Rd2
        • 2.Qe3#
      • 1...Sc7
        • 2.dxc7#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sb4!
    • 1.Sf6?
      • threat
        • 2.Qxd5#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sxe7
        • 2.dxe7#
      • 1...Rd2
        • 2.Qe3#
      • 1...Sc7
        • 2.dxc7#
      • 1...Sb4!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Qxd5#
      • 1...Sxe7
        • 2.Qf6#
      • 1...dxe4
        • 2.Re5#
        • 2.Qe5#
        • 2.Qc4#
        • 2.Qd5#
      • 1...Sb4
        • 2.Sc5#
      • 1...Rd2
        • 2.Sg5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sc7
        • 2.Sc5#
      • 1...Sf6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(b);S_CUTB(a)::S(B)
    • B(a);N_GUARD::S(B)
    • B(a);N_GUARD,P_PINB(F)::S(B),XB(a)
    • S(e);N_GUARD::S(B)
    • S(e);N_GUARD::S(B),XS(e)
    • S(h);N_GUARD::QAR1(A),XS(h)
    • S(h);N_GUARD::QAR1(A)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • S(h);OGATE,XB(F)::R(C)+P(D),XS(h)
        • R(b);S_CUTB(a)::QAR(A)
        • S(e);OGATE::R(C)+P(D),XS(e)
        • S(h);N_GUARD::QAR1(A),XS(h)
      • Refutation
        • S(e);
    • Try
      • S(B);
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • S(h);OGATE,XS(B)::QAR1(A),XS(h)
        • S(h);OGATE,XB(F)::R(C)+P(D),XS(h)
        • R(b);S_CUTB(a)::QAR(A)
        • S(e);OGATE::R(C)+P(D),XS(e)
      • Refutation
        • S(e);
  • Actual
    • R(C);
    • Threat
      • QAB1(A),XP(c)
    • Vars
      • S(h);N_GUARD,XB(F)::QAR1(A)
      • S(e);N_GUARD::S(B)
      • R(b);S_CUTB(a)::S(B)
      • S(e);N_GUARD::S(B),XS(e)
      • S(h);N_GUARD::QAR1(A),XS(h)
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